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  1. 22 Aug, 2008 4 commits
  2. 07 Aug, 2008 1 commit
  3. 04 Aug, 2008 1 commit
  4. 29 Jul, 2008 2 commits
  5. 17 Jul, 2008 3 commits
  6. 15 Jul, 2008 2 commits
  7. 14 Jul, 2008 3 commits
    • Johannes Berg's avatar
      mac80211: revamp beacon configuration · 9d139c81
      Johannes Berg authored
      This patch changes mac80211's beacon configuration handling
      to never pass skbs to the driver directly but rather always
      require the driver to use ieee80211_beacon_get(). Additionally,
      it introduces "change flags" on the config_interface() call
      to enable drivers to figure out what is changing. Finally, it
      removes the beacon_update() driver callback in favour of
      having IBSS beacon delivered by ieee80211_beacon_get() as well.
      Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      9d139c81
    • Johannes Berg's avatar
      mac80211: revamp virtual interface handling · 75636525
      Johannes Berg authored
      This patch revamps the virtual interface handling and makes the
      code much easier to follow. Fewer functions, better names, less
      spaghetti code.
      Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      75636525
    • Johannes Berg's avatar
      mac80211: make master netdev handling sane · 3e122be0
      Johannes Berg authored
      Currently, almost every interface type has a 'bss' pointer
      pointing to BSS information. This BSS information, however,
      is for a _local_ BSS, not for the BSS we joined, so having
      it on a STA mode interface makes little sense, but now they
      have it pointing to the master device, which is an AP mode
      virtual interface. However, except for some bitrate control
      data, this pointer is only used in AP/VLAN modes (for power
      saving stations.)
      
      Overall, it is not necessary to even have the master netdev
      be a valid virtual interface, and it doesn't have to be on
      the list of interfaces either.
      
      This patch changes the master netdev to be special, it now
       - no longer is on the list of virtual interfaces, which
         lets me remove a lot of tests for that
       - no longer has sub_if_data attached, since that isn't used
      
      Additionally, this patch changes some vlan/ap mode handling
      that is related to these 'bss' pointers described above (but
      in the VLAN case they actually make sense because there they
      point to the AP they belong to); it also adds some debugging
      code to IEEE80211_DEV_TO_SUB_IF to validate it is not called
      on the master netdev any more.
      Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      3e122be0
  8. 09 Jul, 2008 2 commits
  9. 08 Jul, 2008 3 commits
  10. 07 Jul, 2008 1 commit
  11. 02 Jul, 2008 1 commit
  12. 27 Jun, 2008 1 commit
  13. 14 Jun, 2008 1 commit
  14. 09 Jun, 2008 1 commit
  15. 03 Jun, 2008 1 commit
  16. 28 May, 2008 1 commit
  17. 21 May, 2008 4 commits
  18. 14 May, 2008 2 commits
    • Bruno Randolf's avatar
      mac80211: use hardware flags for signal/noise units · 566bfe5a
      Bruno Randolf authored
      trying to clean up the signal/noise code. the previous code in mac80211 had
      confusing names for the related variables, did not have much definition of
      what units of signal and noise were provided and used implicit mechanisms from
      the wireless extensions.
      
      this patch introduces hardware capability flags to let the hardware specify
      clearly if it can provide signal and noise level values and which units it can
      provide. this also anticipates possible new units like RCPI in the future.
      
      for signal:
      
        IEEE80211_HW_SIGNAL_UNSPEC - unspecified, unknown, hw specific
        IEEE80211_HW_SIGNAL_DB     - dB difference to unspecified reference point
        IEEE80211_HW_SIGNAL_DBM    - dBm, difference to 1mW
      
      for noise we currently only have dBm:
      
        IEEE80211_HW_NOISE_DBM     - dBm, difference to 1mW
      
      if IEEE80211_HW_SIGNAL_UNSPEC or IEEE80211_HW_SIGNAL_DB is used the driver has
      to provide the maximum value (max_signal) it reports in order for applications
      to make sense of the signal values.
      
      i tried my best to find out for each driver what it can provide and update it
      but i'm not sure (?) for some of them and used the more conservative guess in
      doubt. this can be fixed easily after this patch has been merged by changing
      the hardware flags of the driver.
      
      DRIVER          SIGNAL    MAX	NOISE   QUAL
      -----------------------------------------------------------------
      adm8211         unspec(?) 100   n/a     missing
      at76_usb        unspec(?) (?)   unused  missing
      ath5k           dBm             dBm     percent rssi
      b43legacy       dBm             dBm     percent jssi(?)
      b43             dBm             dBm     percent jssi(?)
      iwl-3945        dBm             dBm     percent snr+more
      iwl-4965        dBm             dBm     percent snr+more
      p54             unspec    127   n/a     missing
      rt2x00          dBm	        n/a     percent rssi+tx/rx frame success
        rt2400        dBm             n/a
        rt2500pci     dBm             n/a
        rt2500usb     dBm             n/a
        rt61pci       dBm             n/a
        rt73usb       dBm             n/a
      rtl8180         unspec(?) 65    n/a     (?)
      rtl8187         unspec(?) 65    (?)     noise(?)
      zd1211          dB(?)     100   n/a     percent
      
      drivers/net/wireless/ath5k/base.c:      Changes-licensed-under: 3-Clause-BSD
      Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      566bfe5a
    • Johannes Berg's avatar
      mac80211: proper STA info locking · 07346f81
      Johannes Berg authored
      As discussed earlier, we can unify locking in struct sta_info
      and use just a single spinlock protecting all members of the
      structure that need protection. Many don't, but one of the
      especially bad ones is the 'flags' member that can currently
      be clobbered when RX and TX is being processed on different
      CPUs at the same time.
      
      Because having four spinlocks for different, mostly exclusive
      parts of a single structure is overkill, this patch also kills
      the ampdu and mesh plink spinlocks and uses just a single one
      for everything. Because none of the spinlocks are nested, this
      is safe.
      
      It remains to be seen whether or not we should make the sta
      flags use atomic bit operations instead, for now though this
      is a safe thing and using atomic operations instead will be
      very simple using the new static inline functions this patch
      introduces for accessing sta->flags.
      
      Since spin_lock_bh() is used with this lock, there shouldn't
      be any contention even if aggregation is enabled at around the
      same time as both requires frame transmission/reception which
      is in a bh context.
      Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
      Cc: Tomas Winkler <tomasw@gmail.com>
      Cc: Ron Rindjunsky <ron.rindjunsky@intel.com>
      Cc: Luis Carlos Cobo <luisca@cozybit.com>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      07346f81
  19. 07 May, 2008 2 commits
    • Johannes Berg's avatar
      mac80211: QoS related cleanups · e100bb64
      Johannes Berg authored
      This
       * makes the queue number passed to drivers a u16
         (as it will be with skb_get_queue_mapping)
       * removes the useless queue number defines
       * splits hw->queues into hw->queues/ampdu_queues
       * removes the debugfs files for per-queue counters
       * removes some dead QoS code
       * removes the beacon queue configuration for IBSS
         so that the drivers now never get a queue number
         bigger than (hw->queues + hw->ampdu_queues - 1)
         for tx and only in the range 0..hw->queues-1 for
         conf_tx.
      Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      e100bb64
    • Johannes Berg's avatar
      mac80211: a few code cleanups · 988c0f72
      Johannes Berg authored
      This has some code cleanups (some inspired by checkpatch), I got
      bored at probably a third of the output though so if somebody
      else wants to...
      
      Signed-off-by: Johannes Berg <johannes@sipsolutions.net
      Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
      988c0f72
  20. 04 May, 2008 1 commit
  21. 30 Apr, 2008 3 commits